<template>
    <div class="login_container">
        <div class="login_box">
         <!-- 登录头部区域 -->
            <div class="avater_box">
                <img src="../assets/logo.png" alt="">   
            </div>
            <!-- 登录表单 -->
            <el-form  class="login_form" :model='loginForm' :rules="rulesForm" ref="login_form">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="el-icon-user-solid"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input type="password" v-model="loginForm.password" prefix-icon="el-icon-s-goods"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetFieldsForm">重置</el-button>
                </el-form-item>
            </el-form>  
        </div>
    </div>
</template>

<script>
export default {
    data(){
        return{
            loginForm:{
                username:'admin',
                password:'123456'
            },
            rulesForm:{
                 username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                     ],
                 password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                     ]
            }
        }
    },
    methods:{
        resetFieldsForm(){
            
            this.$refs.login_form.resetFields();
        },
        login(){
             this.$refs.login_form.validate(async (valid) => {
                if(!valid) return
                    const {data:res} = await this.$http.post('login',this.loginForm)
                    // console.log(res)
                if(!res.meta.status==200){
                    this.$message.error("登录失败");
                    

                } else{
                    this.$message.success("登录成功")
                    // 保存token到sessionStorage里
                    sessionStorage.setItem('token',res.data.token)
                    // 路由编程式导航到home组件
                    this.$router.push('/home')
                }
        });
        }
      
    }
}
</script>

<style  scoped lang ='less'>
    .login_container{
        background-color:#074e88 ;
        height: 100vh;
        
    }
    .login_box{
        width: 450px;
        height: 300px;
        background-color: #fff;
        border-radius: 3px;
        position: absolute;
        left: 50%;
        top: 50%;
        margin-left: -225px;
        margin-top: -150px; 
        
        .avater_box {
        width: 130px;
        height: 130px;
        position: absolute;
        left: 50%;
        top: -70px;
        margin-left: -65px;
        background-color: #fff;    
        border-radius: 50%;
        padding: 10px;
        border: 1px solid #eee;
        box-shadow: 0 0 1px #fff;
        img{
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background-color: #eee;
           
        }
        }     
    }
    .login_form{
        position: absolute;
        bottom: 0;
        width: 100%;
        padding: 0 20px;
        box-sizing: border-box;
    }
    .btns{
        display: flex;
        justify-content: flex-end;
    }
    
</style>>
